Foundr Product Accelerator

• Is there a payment plan available for the Foundr Product Accelerator program? 
• What exactly is included in Foundr Product Accelerator program?
• How is Foundr Product Accelerator different from Foundr+?
• I tried to sign up but the checkout didn't work — can you help?
• I'm travelling / busy right now but would like to sign up — can I start later?
• Is Foundr Product Accelerator right for me if I already have a product idea but haven't launched yet?